Definition of Cylinder

1. Noun. A solid bounded by a cylindrical surface and two parallel planes (the bases).

Specialized synonyms: Roll, Roller
Generic synonyms: Solid
Derivative terms: Cylindric

2. Noun. A surface generated by rotating a parallel line around a fixed line.
Specialized synonyms: Brake Drum, Drum, Shank, Shank, Shank, Stem, Stalactite, Stalagmite, Barrel, Drum, Pipe, Tube
Generic synonyms: Round Shape
Derivative terms: Cylindric

3. Noun. A chamber within which piston moves.
Exact synonyms: Piston Chamber
Specialized synonyms: Brake Cylinder, Hydraulic Brake Cylinder, Master Cylinder
Generic synonyms: Chamber
Group relationships: Compressor, Block, Cylinder Block, Engine Block, Pump
Terms within: Intake Valve

4. Noun. A cylindrical container for oxygen or compressed air.
Group relationships: Aqua-lung, Aqualung, Scuba
Generic synonyms: Container

Definition of Cylinder

1. n. A solid body which may be generated by the rotation of a parallelogram round one its sides; or a body of rollerlike form, of which the longitudinal section is oblong, and the cross section is circular.

Definition of Cylinder

1. Noun. (geometry) A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve. ¹

2. Noun. (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder. ¹

3. Noun. Any object in the form of a circular cylinder. ¹

4. Noun. A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine. ¹

5. Noun. A container in the form of a cylinder with rounded ends for storing pressurized gas. ¹

6. Noun. An early form of phonograph recording, made on a wax cylinder. ¹

7. Noun. The part of a revolver that contains chambers for the cartridges. ¹

8. Noun. (computing) The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity. ¹

¹ Source:

Definition of Cylinder

1. to furnish with a cylinder (a chamber in an engine) [v -ED, -ING, -S]

Medical Definition of Cylinder

1. 1. A cylindrical lens. 2. A cylindrical or rodlike renal cast. 3. A cylindrical metal container for gases stored under high pressure. Origin: G. Kylindros, a roll (05 Mar 2000)

Cylinder Pictures

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Lexicographical Neighbors of Cylinder

cylinder (current term)
cylinder block
cylinder function
cylinder functions
cylinder head
cylinder heads
cylinder lock
cylinder press
cylinder retinoscopy

Literary usage of Cylinder

Below you will find example usage of this term as found in modern and/or classical literature:

1. United States Supreme Court Reports by Lawyers Co-operative Publishing Company, United States Supreme Court (1910)
"It consisted of a cylinder or large tube of iron, made perfectly smooth and ... Inside of this cylinder was placed, horizontally, a thick strong plate of ..."

2. The Thirteen Books of Euclid's Elements by Euclid, Johan Ludvig Heiberg (1908)
"Therefore the cylinder AO is equal to the cylinder EP. ... If the heights are not equal, cut off from the higher cylinder a cylinder of the same height as ..."

3. A Treatise on Electricity and Magnetism by James Clerk Maxwell (1892)
"If, therefore, we assume the dimensions of the cylinder so small that the magnetization of the part removed may be regarded as everywhere parallel to the ..."

4. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1907)
"The cylinder employed is of mild steel and has a diameter and length each equal to 10 inches (254 cm.). It is provided with holes drilled in a plane ..."

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